342051138 has 48 divisors (see below), whose sum is σ = 870682176. Its totient is φ = 95677920.

The previous prime is 342051131. The next prime is 342051139. The reversal of 342051138 is 831150243.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (342051131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63870 + ... + 69017.

It is an arithmetic number, because the mean of its divisors is an integer number (18139212).

Almost surely, 2^342051138 is an apocalyptic number.

342051138 is an abundant number, since it is smaller than the sum of its proper divisors (528631038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342051138 is a wasteful number, since it uses less digits than its factorization.

342051138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132919 (or 132916 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 342051138 is about 18494.6245703988. The cubic root of 342051138 is about 699.3539195154.

The spelling of 342051138 in words is "three hundred forty-two million, fifty-one thousand, one hundred thirty-eight".